Home / 637,210.51-955,677.10-210,645.55

Finding the Fourth Proportional to 637,210.51, 955,677.10 and 210,645.55

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Solution

The fourth proportional to 637,210.51, 955,677.10 and 210,645.55 is: 315,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,210.51 : 955,677.10 = 210,645.55 : x
  2. Step 2: Convert to fraction form
    637,210.51/955,677.10 = 210,645.55/x
  3. Step 3: Cross multiply
    637,210.51x = 955,677.10 × 210,645.55
  4. Step 4: Simplify right side
    637,210.51x = 201,309,128,351.91
  5. Step 5: Solve for x
    x = 201,309,128,351.91/637,210.51
  6. Step 6: Final answer
    x = 315,922.49

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.